chkpasswd.tproj/od_passwd.c

   1 /*
   2  * Copyright (c) 1998-2016 Apple Inc.  All rights reserved.
   3  * Portions Copyright (c) 1988 by Sun Microsystems, Inc.
   4  * Portions Copyright (c) 1988 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <unistd.h>
  39 #include <string.h>
  40 #include <pwd.h>
  41 #include <netinet/in.h>
  42 #include <rpc/types.h>
  43 #include <rpc/xdr.h>
  44 #include <rpc/rpc.h>
  45 #include <rpcsvc/yp_prot.h>
  46 #include <rpcsvc/ypclnt.h>
  47 #include <rpcsvc/yppasswd.h>
  48 #include <netdb.h>
  49 #include <sys/socket.h>
  50 #include <sys/file.h>
  51 #include <errno.h>
  52
  53 #include <OpenDirectory/OpenDirectory.h>
  54
  55 #include "passwd.h"
  56
  57 //-------------------------------------------------------------------------------------
  58 //      od_check_passwd
  59 //-------------------------------------------------------------------------------------
  60
  61 int
  62 od_check_passwd(const char *uname, const char *domain)
  63 {
  64         int     authenticated = 0;
  65
  66         ODSessionRef    session = NULL;
  67         ODNodeRef               node = NULL;
  68         ODRecordRef             rec = NULL;
  69         CFStringRef             user = NULL;
  70         CFStringRef             location = NULL;
  71         CFStringRef             password = NULL;
  72
  73         if (uname) user = CFStringCreateWithCString(NULL, uname, kCFStringEncodingUTF8);
  74         if (domain) location = CFStringCreateWithCString(NULL, domain, kCFStringEncodingUTF8);
  75
  76         if (user) {
  77                 printf("Checking password for %s.\n", uname);
  78                 char* p = getpass("Password:");
  79                 if (p) password = CFStringCreateWithCString(NULL, p, kCFStringEncodingUTF8);
  80         }
  81
  82         if (password) {
  83                 session = ODSessionCreate(NULL, NULL, NULL);
  84                 if (session) {
  85                         if (location) {
  86                                 node = ODNodeCreateWithName(NULL, session, location, NULL);
  87                         } else {
  88                                 node = ODNodeCreateWithNodeType(NULL, session, kODNodeTypeAuthentication, NULL);
  89                         }
  90                         if (node) {
  91                                 rec = ODNodeCopyRecord(node, kODRecordTypeUsers, user, NULL, NULL);
  92                         }
  93                         if (rec) {
  94                                 authenticated = ODRecordVerifyPassword(rec, password, NULL);
  95                         }
  96                 }
  97         }
  98
  99         if (!authenticated) {
 100                 fprintf(stderr, "Sorry\n");
 101                 exit(1);
 102         }
 103
 104         return 0;
 105 }